WO2021241668A1 - 均一なサイズの細胞凝集体の大量製造方法 - Google Patents

均一なサイズの細胞凝集体の大量製造方法 Download PDF

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Publication number
WO2021241668A1
WO2021241668A1 PCT/JP2021/020135 JP2021020135W WO2021241668A1 WO 2021241668 A1 WO2021241668 A1 WO 2021241668A1 JP 2021020135 W JP2021020135 W JP 2021020135W WO 2021241668 A1 WO2021241668 A1 WO 2021241668A1
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Prior art keywords
cell
cells
culture bag
cell culture
bag
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Ceased
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PCT/JP2021/020135
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English (en)
French (fr)
Japanese (ja)
Inventor
順司 山浦
亮 伊藤
太郎 豊田
周平 小長谷
亮 末永
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Takeda Pharmaceutical Co Ltd
Toyo Seikan Group Holdings Ltd
Kyoto University NUC
Original Assignee
Takeda Pharmaceutical Co Ltd
Toyo Seikan Group Holdings Ltd
Kyoto University NUC
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Publication date
Application filed by Takeda Pharmaceutical Co Ltd, Toyo Seikan Group Holdings Ltd, Kyoto University NUC filed Critical Takeda Pharmaceutical Co Ltd
Priority to JP2022526629A priority Critical patent/JPWO2021241668A1/ja
Priority to US17/926,971 priority patent/US20230227787A1/en
Priority to CN202180038291.1A priority patent/CN115803426A/zh
Priority to EP21813340.3A priority patent/EP4159838A4/en
Publication of WO2021241668A1 publication Critical patent/WO2021241668A1/ja
Anticipated expiration legal-status Critical
Priority to JP2025282057A priority patent/JP2026053631A/ja
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06—Animal cells or tissues; Human cells or tissues
    • C12N5/0602—Vertebrate cells
    • C12N5/0676—Pancreatic cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/02—Form or structure of the vessel
    • C12M23/14—Bags
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/32—Frangible parts
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
    • C12M35/04—Mechanical means, e.g. sonic waves, stretching forces, pressure or shear stimuli
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2501/00—Active agents used in cell culture processes, e.g. differentation
    • C12N2501/10—Growth factors
    • C12N2501/16—Activin; Inhibin; Mullerian inhibiting substance
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2501/00—Active agents used in cell culture processes, e.g. differentation
    • C12N2501/40—Regulators of development
    • C12N2501/415—Wnt; Frizzeled
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2501/00—Active agents used in cell culture processes, e.g. differentation
    • C12N2501/70—Enzymes
    • C12N2501/72—Transferases [EC 2.]
    • C12N2501/727—Kinases (EC 2.7.)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2506/00—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells
    • C12N2506/45—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from artificially induced pluripotent stem cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2513/00—3D culture
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2527/00—Culture process characterised by the use of mechanical forces, e.g. strain, vibration
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2535/00—Supports or coatings for cell culture characterised by topography
    • C12N2535/10—Patterned coating

Definitions

  • Patent Document 2 a flexible culture vessel containing cells and a culture medium is placed on a mounting surface, and the flexible culture vessel is in contact with the mounting surface by applying pressure to the flexible culture vessel. Culturing was continued in a state where the outer surface of the container was deformed to form a plurality of recesses, and after cell aggregates were formed in the recesses, the cells were formed on the outer surface of the container by releasing the pressure on the flexible culture vessel.
  • a cell culture method comprising flattening a recess and further culturing is disclosed. According to Patent Document 2, if the recesses are maintained during the culture, there is a possibility that the circulation of the medium and the diffusion of the gas may be inconvenient. Therefore, the pressure applied during the culture may be released to flatten the recesses. It is also described that the area (area) used for cell culture can be expanded by flattening the recesses.
  • the step of culturing the cell culture bag while applying pressure from at least one direction is a step of culturing while applying pressure from above, below, or above and below the cell culture bag, [1] to [10]. Either way.
  • the method of [11], wherein the step of culturing the cell culture bag while applying pressure from at least one direction is the step of culturing while applying pressure from above the cell culture bag.
  • the method according to any one of [1] to [12], wherein the ratio of the depth of the recess to the diameter is 1: 1.5 to 2.5.
  • the flexible film material can have a composition consisting of three layers, an inner layer, a base layer, and an outer layer, from the inside of the cell culture bag.
  • the base layer and the inner layer are preferably made of a material having high gas permeability, heat sealability, and transparency.
  • the inner layer is preferably composed of a material having low cytotoxicity in addition to the above-mentioned properties.
  • the number of recesses provided on the lower surface of the cell culture bag can be determined according to the size of the cell culture bag and the number of desired cell aggregates, for example, 10 to 1 million, 100 to 1 million. , 1000 to 1,000,000, or 10,000 to 1,000,000, preferably 100,000 to 1,000,000, or 300,000 to 1,000,000 can be appropriately selected.
  • Nanog-iPS cells Okita, K., Ichisaka, T. et al.). , And Yamanaka, S. (2007). Nature 448, 313-317.
  • IPS cells prepared by a method that does not contain c-Myc (Nakagawa M, Yamanaka S., et al. Nature Biotechnology, (2008). , 101-106)
  • iPS cells established by introducing 6 factors virus-free (Okita K et al. Nat. Methods 2011 May; 8 (5): 409-12, Okita K et al. Stem Cells.
  • the marker protein can be detected by using an immunological assay (ELISA, immunostaining, flow cytometry, etc.) using an antibody specific to the marker protein.
  • the marker gene can be detected by using a nucleic acid amplification method and / or a nucleic acid detection method (RT-PCR, microarray, biochip, etc.) known in the art.
  • RT-PCR nucleic acid detection method
  • “positive” for a marker protein means that it is detected as positive by flow cytometry, and “negative” means that it is below the detection limit by flow cytometry.
  • “positive” of the marker gene means that it is detected by RT-PCR, and “negative” means that it is below the detection limit by RT-PCR.
  • a suitable culture medium corresponding to the cells to be used can be appropriately selected and used.
  • the cells and the culture medium are charged from the port provided in the cell culture bag using a pump such as a perista pump or a liquid feeding means such as a syringe, and stirred.
  • a pump such as a perista pump or a liquid feeding means such as a syringe
  • Stirring can be performed once or multiple times at any timing until pressure is applied to the cell culture bag.
  • stirring can be performed before or after placing the cell culture bag on the mounting table of the culture device, or immediately before applying pressure to the cell culture bag by the culture device.
  • Stirring may be performed manually or by a robot arm, and / or may be performed using a vibrator.
  • iPS cells When inducing differentiation, undifferentiated iPS cells were first seeded in a bioreactor. The iPS cells maintained on the culture dish were treated with EDTA solution and dissociated until they became single cells. Subsequently, the iPS cells dispersed in the medium were seeded in a bioreactor at a density of 6 ⁇ 10 6 cells per cell, and suspension-stirred culture was performed at 37 ° C. As the culture medium at the time of seeding, Stem FitAK03N medium supplemented with 10 ⁇ M Y-27632 was used, and the cells were cultured for 1 day to form cell aggregates.
  • Actibin A (10 ng / mL) (PeproTech), CHIR99021 (3 ⁇ M) (Axon Medchem), which is a GSK3 ⁇ inhibitor, 1% dimethylsulfoxide (Fuji Film Wako Pure Chemical Industries, Ltd.) 1% B-27 (Registered Trademark) (Thermo Fisher Scientific). , 0.1% Dulbecco's modified Eagle's medium (Thermo Fisher Scientific) containing F68 (Sigma) and cultured for 1 day, followed by Actibin A (10 ng / mL) (PeproTech), 1%.
  • a cell culture bag having the same structure as the cell culture bag shown in FIG. 1 was prepared and used. That is, it has a structure in which two flexible films made of polyethylene having a gas permeability of 100 ⁇ m in thickness are stacked and fused around each other to provide a port.
  • the bottom film of the cell culture bag has 1.8 ⁇ 10 4 recesses with a depth of 200 ⁇ m and a diameter of 500 ⁇ m on the bottom surface of 50 cm 2 (360 recesses / cm 2 per unit area of the bottom surface), and the top film has 4 mm. It has a bulging shape that bulges at a height.
  • the inner surface of the film was coated with a low cell adhesive coating with a phospholipid polymer.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Clinical Laboratory Science (AREA)
  • Cell Biology (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
PCT/JP2021/020135 2020-05-28 2021-05-27 均一なサイズの細胞凝集体の大量製造方法 Ceased WO2021241668A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022526629A JPWO2021241668A1 (https=) 2020-05-28 2021-05-27
US17/926,971 US20230227787A1 (en) 2020-05-28 2021-05-27 Mass production method of uniform size cell aggregates
CN202180038291.1A CN115803426A (zh) 2020-05-28 2021-05-27 均一尺寸的细胞聚集体的大量制造方法
EP21813340.3A EP4159838A4 (en) 2020-05-28 2021-05-27 MASS PRODUCTION PROCESS OF UNIFORM SIZED CELL AGGREGATES
JP2025282057A JP2026053631A (ja) 2020-05-28 2025-12-25 均一なサイズの細胞凝集体の大量製造方法

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JP2020-093447 2020-05-28
JP2020093447 2020-05-28

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US (1) US20230227787A1 (https=)
EP (1) EP4159838A4 (https=)
JP (2) JPWO2021241668A1 (https=)
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WO (1) WO2021241668A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111511898A (zh) * 2018-01-09 2020-08-07 东洋制罐集团控股株式会社 细胞培养方法及装置
CN114308177A (zh) * 2021-12-30 2022-04-12 昕慕(江苏)生物医药科技有限公司 一种细胞培养袋用细胞收获支架及使用方法
JP7264360B1 (ja) 2022-06-29 2023-04-25 ティシューバイネット株式会社 立体細胞構造体作製する培養バッグ

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JP1691603S (https=) * 2020-10-13 2021-08-02
USD1069158S1 (en) * 2020-10-13 2025-04-01 Toyo Seikan Group Holdings, Ltd. Cell culture bag
USD1069159S1 (en) * 2020-10-13 2025-04-01 Toyo Seikan Group Holdings, Ltd. Cell culture bag

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111511898A (zh) * 2018-01-09 2020-08-07 东洋制罐集团控股株式会社 细胞培养方法及装置
CN111511898B (zh) * 2018-01-09 2024-01-02 东洋制罐集团控股株式会社 细胞培养方法及装置
CN114308177A (zh) * 2021-12-30 2022-04-12 昕慕(江苏)生物医药科技有限公司 一种细胞培养袋用细胞收获支架及使用方法
CN114308177B (zh) * 2021-12-30 2023-02-10 昕慕(江苏)生物医药科技有限公司 一种细胞培养袋用细胞收获支架及使用方法
JP7264360B1 (ja) 2022-06-29 2023-04-25 ティシューバイネット株式会社 立体細胞構造体作製する培養バッグ
JP2024004598A (ja) * 2022-06-29 2024-01-17 ティシューバイネット株式会社 立体細胞構造体作製する培養バッグ

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Publication number Publication date
JPWO2021241668A1 (https=) 2021-12-02
CN115803426A (zh) 2023-03-14
US20230227787A1 (en) 2023-07-20
EP4159838A4 (en) 2024-07-17
JP2026053631A (ja) 2026-03-25
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